1. Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42 Brno, Czech Republic
2. Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
3. Department of Biology, Faculty of Education, Masaryk University, Poříčí 7/9, 625 00 Brno, Czech Republic
4. Department of Mathematics and Statistics, Faculty of Science, Masaryk University, Kotlářská 267/2, 611 37 Brno, Czech Republic
5. State Veterinary Institute Prague, Sídlištní 136/24, 165 03 Prague, Czech Republic